Home / 31,588,502,885.76-47,388,081,368.16-10,621,951,717.44

Finding the Fourth Proportional to 31,588,502,885.76, 47,388,081,368.16 and 10,621,951,717.44

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Solution

The fourth proportional to 31,588,502,885.76, 47,388,081,368.16 and 10,621,951,717.44 is: 15,934,718,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588,502,885.76 : 47,388,081,368.16 = 10,621,951,717.44 : x
  2. Step 2: Convert to fraction form
    31,588,502,885.76/47,388,081,368.16 = 10,621,951,717.44/x
  3. Step 3: Cross multiply
    31,588,502,885.76x = 47,388,081,368.16 × 10,621,951,717.44
  4. Step 4: Simplify right side
    31,588,502,885.76x = 503,353,912,274,713,640,960
  5. Step 5: Solve for x
    x = 503,353,912,274,713,640,960/31,588,502,885.76
  6. Step 6: Final answer
    x = 15,934,718,846.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.